Home / 6,780,690.36-9,359,808.12-4,489,589.16

Finding the Fourth Proportional to 6,780,690.36, 9,359,808.12 and 4,489,589.16

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Solution

The fourth proportional to 6,780,690.36, 9,359,808.12 and 4,489,589.16 is: 6,197,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,690.36 : 9,359,808.12 = 4,489,589.16 : x
  2. Step 2: Convert to fraction form
    6,780,690.36/9,359,808.12 = 4,489,589.16/x
  3. Step 3: Cross multiply
    6,780,690.36x = 9,359,808.12 × 4,489,589.16
  4. Step 4: Simplify right side
    6,780,690.36x = 42,021,693,075,231.98
  5. Step 5: Solve for x
    x = 42,021,693,075,231.98/6,780,690.36
  6. Step 6: Final answer
    x = 6,197,258.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.